CVE-2022-36983: This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche. Authentication is not required to exploit…

PriorityP273critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

4.69%

90.7th percentile

This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SetSettings class. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-15919.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
ivanti	avalanche	—	—
ivanti	avalanche	>= 6.3.3.101 < 6.3.4	6.3.4

Detection & IOCsextracted from sources · hover to see the quote

→The vulnerable class is `SetSettings` within Ivanti Avalanche; monitor for unauthenticated HTTP requests targeting endpoints or servlets associated with this class, as no authentication is required to trigger the flaw. ↗

·The advisory provides no patch version, affected version range, or specific endpoint path for the SetSettings class, limiting precise version-based or path-based detection rules. ↗
·CVSS score of 9.8 (CRITICAL) with CWE-306 (Missing Authentication for Critical Function) indicates broad network-exploitable attack surface, but no PoC code, hashes, IPs, or domains were included in the provided sources. ↗

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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